Semi Di Lino Density Thickening Low Shampoo

All hair and skin types.

Almost always the first ingredient listed in water-based products.

People looking for mild, low-foaming cleansers that are generally considered suitable for sensitive or dry hair types.

It is often used as an alternative to stronger surfactants to create a softer, more conditioning lather. It can also support formula stability and mildness in blended surfactant systems.

Most hair types, including those wanting a gentler wash.

Often paired with other surfactants to make a formula feel milder.

People looking for mild cleansers, including those with easily weighed-down or sensitive scalps.

It is commonly paired with other surfactants to improve foam quality and boost mildness in shampoos and scalp-focused products.

People looking for a milder alternative to traditional sulphate surfactants.

It is often used in gentle or colour-care formulas because it provides effective cleansing with a softer feel. Despite the name, it is typically considered milder than many common sulphate surfactants.

Dry or dehydrated hair, and many curl and moisture routines.

A very common, well-tolerated humectant used across countless products.

People who like a rich, stable lather in their cleansing products.

It is often used alongside primary surfactants to enhance texture and mildness. Its viscosity‑boosting effect can also improve the feel of rinse‑off formulas.

Those using shampoos or washes that benefit from a richer, more stable texture.

It is a nonionic surfactant derived from glucose and is commonly used to improve viscosity in gentle cleansing products. It is well tolerated in most haircare formulas.

People looking for enhanced styling hold or frizz control.

It is widely used in styling products to help shape and set the hair without feeling heavy. It also contributes to product consistency and spreadability.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

People looking to support hair strength, smoothness or manageability, especially in damaged or colour-treated hair.

Hydrolysed proteins are broken into smaller fragments so they can more easily interact with the hair surface. They are commonly used to enhance feel and resilience without weighing the hair down.

Those looking for formulas that help maintain a healthy-feeling scalp or the appearance of stronger hair.

In topical products it is used in small amounts to complement other strengthening or scalp-care ingredients. Its effects are supportive rather than dramatic on its own.

Those looking to support scalp comfort, strengthen hair, or maintain a healthy-looking scalp barrier.

It is commonly used in both skincare and haircare for its soothing and barrier-supporting properties. It pairs well with many other ingredients and is generally well tolerated.

Those wanting added nourishment or antioxidant support in their haircare routine.

Tocopherol is commonly included to help protect oils in a formula from oxidising and to offer light conditioning benefits. It is widely used in both skincare and haircare products.

Hair wanting a light conditioning boost.

A plant-derived extract whose effect depends on the amount used.

Those looking for plant-based supporting ingredients or gentle conditioning benefits.

Sunflower seed extract is often included for its naturally occurring compounds that can help enhance the overall conditioning profile of a formula. It is commonly used alongside other emollients and botanical ingredients.

Most hair types wanting smoother, easier-to-manage hair.

Widely used in shampoos and conditioners for slip and softness.

Those looking for mild cleansing with a smoother, less stripped feel.

It is often included to make cleansing formulas feel more conditioning and to help solubilise oils or fragrances. It pairs well with stronger surfactants to create a more balanced wash.

Those looking for softer, easier-to-detangle hair.

It is derived from guar gum and is commonly used to enhance conditioning in shampoos and conditioners. It can also reduce static and improve manageability.

Those looking to improve hair hydration, softness, or manageability.

It is a component of the skin and scalp’s natural moisturising factors and is well tolerated in most formulations.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

Those interested in how product pH affects scalp comfort or hair cuticle behaviour.

It is used in very small amounts to bring a formula to the desired pH range. Once adjusted, it does not act as a strong alkaline agent in the finished product.

Those in hard-water areas who want shampoos and conditioners to rinse more cleanly.

Chelating agents can support formula consistency and help prevent minerals from depositing on the hair or interfering with product texture. They are widely used in many rinse-off and leave-in formulations.

All products, especially in hard-water areas.

Used in tiny amounts to keep formulas performing reliably.

All products that need protecting from spoilage.

A very common, well-studied preservative used at low levels.

Those interested in gentle preservation systems or sensitive scalps may find it relevant.

It is often paired with other preservatives to improve their effectiveness while allowing for lower usage levels. It also has light moisturising and conditioning properties.

All products that need a preservative system.

Often paired with other preservatives for broad protection.

Anyone who uses water-based products that benefit from reliable preservation.

It is commonly used alongside other preservation systems to maintain product freshness and extend shelf life. It is generally well tolerated in rinse-off and leave-in products.

People who enjoy a scented product.

Fragrance preference is personal. Some people prefer fragrance-free formulas by choice.

A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.

A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.

Those who enjoy subtly scented haircare products.

It is one of the fragrance components that must be listed separately when present above certain levels. People with known fragrance sensitivities may choose to monitor for it.

Those who enjoy subtly floral-scented haircare or are monitoring specific fragrance allergens.

It is one of the fragrance allergens that must be listed individually on product labels when present above certain levels. Its presence does not indicate product strength or quality, only that it contributes to the overall scent profile.

A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.